Road trip! Two enemies are forced to go on vacation together sans killing each other.
Kid cheats on IQ test to get into selective school--watch culture shock!
Animal Farm parody--when kids take over the classroom
Edit 1:53pm: I found another post-it note with plot bunnies. This one's from NaNo 2006. Considering it wasn't half-bad and I'm thinking about editing it, I'm keeping this one.